def startReplication(self, containerId, volumeId, nodeId, cargoServer, payload):
payloadJson = json.loads(payload)
srchost = payloadJson["srchost"]
volume = payloadJson["volume"]
volcnt = payloadJson["volcnt"]
mondir = utils.getCOWDir(containerId, volcnt)
lzcopydir = utils.getLazyCopyDir(containerId, volcnt)
nfsdir = utils.getNFSMountDir(containerId, volcnt)
cmd = START_LAZY_COPY_CMD.substitute(PWD = os.getcwd(), MON_DIR = mondir, NFS_DIR = nfsdir, SRC_DIR = volume, \
DEST_DIR = lzcopydir, SRC_HOST = srchost, CONTAINER = containerId,\
CARGO_SERVER = cargoServer, VOLUMEID = volumeId, AGENTID = nodeId)
svcName = utils.createReplSvc(containerId, volumeId, cmd)
rc, output = utils.startSvc(svcName)
if rc != codes.SUCCESS :
logging.error("Error starting replication service %s: %s"%(svcName, output))
else:
logging.debug("Replication service %s started successfully"%(svcName))
return rc
def prepareTargetFS(self, config):
containerName = config["container"]
sourceHost = config["sourceHost"]
exportPath = config["exportPath"]
volcnt = config["volcnt"]
#nfsMount = "{home}/nfs_{name}_{cnt}".format(home=CARGO_VOL_DIR,name = containerName, cnt = volcnt)
#cowdir = "{home}/cow_{name}_{cnt}".format(home=CARGO_VOL_DIR,name = containerName, cnt = volcnt)
#unionMount = "{home}/union_{name}_{cnt}".format(home=CARGO_VOL_DIR,name = containerName, cnt = volcnt)
#lzcopydir = "{home}/lzcopy_{name}_{cnt}".format(home=CARGO_VOL_DIR,name = containerName, cnt = volcnt)
nfsMount = utils.getNFSMountDir(containerName, volcnt)
cowdir = utils.getCOWDir(containerName, volcnt)
unionMount = utils.getUnionMountDir(containerName, volcnt)
lzcopydir = utils.getLazyCopyDir(containerName, volcnt)
#unionMount = exportPath
nfsexport = "{host}:{path}".format(host=sourceHost, path = exportPath)
if self.__nfs_import(nfsexport, nfsMount) == codes.SUCCESS:
if self.__merge_fs(nfsMount, cowdir, unionMount) == codes.SUCCESS:
self.__storeMeta(containerName, nfsMount, cowdir, unionMount, lzcopydir)
return codes.SUCCESS
return codes.FAILED
def startReplication(self, containerId, volumeId, nodeId, cargoServer,
payload):
payloadJson = json.loads(payload)
srchost = payloadJson["srchost"]
volume = payloadJson["volume"]
volcnt = payloadJson["volcnt"]
mondir = utils.getCOWDir(containerId, volcnt)
lzcopydir = utils.getLazyCopyDir(containerId, volcnt)
nfsdir = utils.getNFSMountDir(containerId, volcnt)
cmd = START_LAZY_COPY_CMD.substitute(PWD = os.getcwd(), MON_DIR = mondir, NFS_DIR = nfsdir, SRC_DIR = volume, \
DEST_DIR = lzcopydir, SRC_HOST = srchost, CONTAINER = containerId,\
CARGO_SERVER = cargoServer, VOLUMEID = volumeId, AGENTID = nodeId)
svcName = utils.createReplSvc(containerId, volumeId, cmd)
rc, output = utils.startSvc(svcName)
if rc != codes.SUCCESS:
logging.error("Error starting replication service %s: %s" %
(svcName, output))
else:
logging.debug("Replication service %s started successfully" %
(svcName))
return rc